Question

Seriously HELP ME..
For f(x) = 1/x+5 and g(x)= x^2+2

Find (f o g)(x)

(g o f)(6)

Answer 1

I just really don't understand

Answer 2

for (f o g)(x) you take the g(x) and you substitute that equation in for x in the f(x) equation if that makes sense?

Answer 3

Soo... no not really

Answer 4

lol alright so you take the second one, which is the g in this case. and the g(x) is x^2+2.
You then take the x^2+2 and plug it in for x in the f(x) formula

Answer 5

oohhh that's all?

Answer 6

yup

Answer 7

when finf fog
put g(x) in f(x)

f( x^2+2) = 1/ (x^2+2)+5
g(1/x+5)= [1/x+5]^2+2

Answer 8

got it

Answer 9

oohh wow It was that simple.. I'm getting all frustrated over here

Answer 10

no prob

Answer 11

can you help me out some more? i'm gonna put another question up.